INTEGRA Metering AMFLO SONIC UFA-280 Mounting And Operating Instructions page 23

Triple bend
Valves and pumps
Precautions
AMFLO SONIC UFA-280
®
3 x 90° bends in two planes
L2: Min. 20 x pipe diameter
L1: 3 x pipe diameter
Valves
L2: Min. 10 x pipe diameter, fully open valve
L1: 3 x pipe diameter
Pumps
L2: Min. 20 x pipe diameter
L1: 3 x pipe diameter
Avoid installation at the highest point in the system because air
bubbles will be trapped in flowmeter.
Avoid installation at a point where there is a free outlet after
flowmeter. Flowmeter pipe section may be installed in either a
horizontal or vertical position.
Note
To obtain maximum battery lifetime with the Lithium Thionyl
Chloride battery pack, installing flowmeter transmitter in an
upright position.
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